Color

#234d40

#234d40
hex#234d40
rgbrgb(35, 77, 64)
hslhsl(161, 37%, 22%)
oklchoklch(0.386 0.053 170.9)
Closest name: Tropical Forest (#024a43)Relative luminance 0.0604

Colors that go with #234d40

Sea Green, Teal and Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#4d2330

#234d2b · #23454d

#40234d · #4d4023

Split-complementary

Open in tool →

#4d2345 · #4d2b23

#2b234d · #4d2330 · #454d23

Contrast

#234d40 as textRatioAAAA largeAAAFix
Aaon white
9.51:1passpasspassPasses AAA — no fix needed.
Aaon black
2.21:1failfailfail
  • AA: use #3b816b as the text (4.54:1)
  • AAA: use #4da88b as the text (7.29:1)
  • AA: or shift the background to #b3b3b3 (4.54:1)
  • AAA: or shift the background to #dedede (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #234d40 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#234d40 reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #234d40
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #234d40 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/234d40-a2beb8-d459bb-1f2c2d-e9f1eb?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md